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Senior Java Software Engineer - Search Inference - Platform

Elastic· Enterprise Search - Engineering
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Hybrid (Ireland)€87.3k - €138.1kfull-timePosted 2w ago

About the role

Senior Java Developer to join Elasticsearch team focusing on the Inference API, integrating Elasticsearch with internal and external ML services (including Elastic Inference Service and third-party providers) to enable semantic search, reranking, and generative AI across Elastic Cloud and hosted environments.

Responsibilities

  • Build and maintain integrations with internal systems and external inference providers, including schema negotiation, streaming (SSE), and error normalisation
  • Contribute to the inference plugin's internal architecture: task settings, chunking strategies, rate limiting, and provider-level configuration
  • Review open source contributions to the codebase and work with third party engineers to ensure their contributions meet our technology standards
  • Participate in on-call rotation for inference-related incidents
  • Write thorough tests: unit tests using ESTestCase, YAML-based REST integration tests, and rolling-upgrade tests

Qualifications

  • 5+ years of production Java experience, with experience contributing to a large, established Java codebase
  • Knowledge of core Java, data structures, concurrency constructs, and newer language features
  • Experience crafting ergonomic APIs and weighing tradeoffs
  • Experience with low-level Java such as concurrency, parallelism, classloaders
  • Proven track record of using AI to accelerate development, debug complex systems, and optimize code
  • Ability to collaborate across functions and teams and switch between projects as priorities change
  • Ability to work autonomously, drive decisions and results in a distributed team with asynchronous communication

Skills

Required:JavaAPI designConcurrency and parallelismAI integrationCollaboration across teamsOn-call / incident handling

Benefits

  • Competitive pay with base salary (no variable compensation)
  • Health coverage for you and your family in many locations
  • Flexible locations and schedules for many roles
  • Generous vacation days
  • Employer matching of donations up to $2000 (or local currency equivalent)
  • Up to 40 hours/year for volunteer projects
  • Parental leave minimum 16 weeks
  • Diversity and inclusion initiatives and accessible recruiting process
Last updated Oct 8, 2026. Interested? Apply on the company site.
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